Merge pull request mozilla#9796 from Snuffleupagus/disable-webViewerF…

…ileInputChange-PresentationMode Disable (drag-and-drop) file opening if Presentation Mode is active (PR 9794 follow-up)
movsb · Jun 11, 2018 · c7ae064 · c7ae064
2 parents 2f8e889 + e9c9698
commit c7ae064
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/web/app.js b/web/app.js
@@ -1925,6 +1925,10 @@ function webViewerHashchange(evt) {
 let webViewerFileInputChange;
 if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
   webViewerFileInputChange = function webViewerFileInputChange(evt) {
+    if (PDFViewerApplication.pdfViewer &&
+        PDFViewerApplication.pdfViewer.isInPresentationMode) {
+      return; // Opening a new PDF file isn't supported in Presentation Mode.
+    }
     let file = evt.fileInput.files[0];
 
     if (URL.createObjectURL && !AppOptions.get('disableCreateObjectURL')) {